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The 71901 ACE/P4ADBB is a super precision angular contact ball bearing, measuring 12mm by 24mm by 12mm. Made from chrome steel, it features a 25° contact angle and comes in a matched pair for balanced performance.
It handles radial loads up to 747 lbf and spins smoothly at speeds up to 140,000 RPM. The phenolic cage ensures quiet operation, while the open design allows for easy lubrication.
With a light preload and P4A tolerance class, it offers high accuracy for demanding applications. Ideal for precision machinery like spindles or small motors where smooth rotation is key.
Weighing just 0.02kg, this bearing is lightweight yet durable. It works in temperatures from -30°C to 110°C and is interchangeable with SKF models for easy replacement.
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Performance Features of 71901 ACE/P4ADBB Bearing
71901 ACE/P4ADBB Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls enhance durability, while the phenolic cage ensures smooth operation at high speeds.
With a dynamic radial load capacity of 747 lbf, it handles demanding conditions reliably.
The matched arrangement of two bearings provides stability, making it suitable for precision tasks.
71901 ACE/P4ADBB Bearing operates efficiently at speeds up to 140,000 rpm.
Its open design and lubrication ensure minimal friction, extending service life.
The P4A tolerance class guarantees high precision, ideal for critical applications.
Light preload (Class B) further enhances performance, reducing vibration and noise.
Common Applications of 71901 ACE/P4ADBB Bearing
71901 ACE/P4ADBB Bearing is widely used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The light preload and P4A tolerance class make it suitable for applications demanding minimal vibration.
In robotics, 71901 ACE/P4ADBB Bearing supports articulated arms, providing smooth movement and long service life. The matched arrangement of two bearings enhances stability in dynamic operations.
For dental drills and other medical devices, 71901 ACE/P4ADBB Bearing offers reliable performance due to its chrome steel construction. The phenolic cage reduces friction, ensuring quiet operation in sensitive environments.
Automotive applications like electric power steering benefit from 71901 ACE/P4ADBB Bearing’s high-speed capability. Its metric dimensions and compatibility with SKF models make it a versatile choice for various vehicle systems.
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